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[" If "A={1,2,3,4},f:R rarr R,f(x)=x^(2)...

[" If "A={1,2,3,4},f:R rarr R,f(x)=x^(2)+3x+1g:R rarr R,g(x)=2x-3," then find "],[[" (i) "(fog)(x)," (ii) "(gof)(x)],[" (iii) (fof) "(x)," (iv) "(gog)(x)]]

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